<template>
  <div id="dashboard" style="height: 100%; width: 100%">这里是一个仪表盘</div>
</template>

<script>
export default {
  mounted() {
    this.initSomething();
  },
  methods: {
    initSomething() {
      var chartDom = document.getElementById("dashboard");
      var myChart = this.$echarts.init(chartDom);
      var option;
      option = {
        series: [
          {
            name: "hour",
            type: "gauge",
            startAngle: 90,
            endAngle: -270,
            min: 0,
            max: 12,
            splitNumber: 12,
            axisLine: {
              lineStyle: {
                width: 15,
                color: [[1, "rgba(0,0,0,0.7)"]],
                shadowColor: "rgba(0, 0, 0, 0.5)",
                shadowBlur: 15,
              },
            },
            splitLine: {
              lineStyle: {
                shadowColor: "rgba(0, 0, 0, 0.3)",
                shadowBlur: 3,
                shadowOffsetX: 1,
                shadowOffsetY: 2,
              },
            },
            axisLabel: {
              fontSize: 50,
              distance: 25,
              formatter: function (value) {
                if (value === 0) {
                  return "";
                }
                return value;
              },
            },
            anchor: {
              show: true,
              icon: "path://M532.8,70.8C532.8,70.8,532.8,70.8,532.8,70.8L532.8,70.8C532.7,70.8,532.8,70.8,532.8,70.8z M456.1,49.6c-2.2-6.2-8.1-10.6-15-10.6h-37.5v10.6h37.5l0,0c2.9,0,5.3,2.4,5.3,5.3c0,2.9-2.4,5.3-5.3,5.3v0h-22.5c-1.5,0.1-3,0.4-4.3,0.9c-4.5,1.6-8.1,5.2-9.7,9.8c-0.6,1.7-0.9,3.4-0.9,5.3v16h10.6v-16l0,0l0,0c0-2.7,2.1-5,4.7-5.3h10.3l10.4,21.2h11.8l-10.4-21.2h0c6.9,0,12.8-4.4,15-10.6c0.6-1.7,0.9-3.5,0.9-5.3C457,53,456.7,51.2,456.1,49.6z M388.9,92.1h11.3L381,39h-3.6h-11.3L346.8,92v0h11.3l3.9-10.7h7.3h7.7l3.9-10.6h-7.7h-7.3l7.7-21.2v0L388.9,92.1z M301,38.9h-10.6v53.1H301V70.8h28.4l3.7-10.6H301V38.9zM333.2,38.9v10.6v10.7v31.9h10.6V38.9H333.2z M249.5,81.4L249.5,81.4L249.5,81.4c-2.9,0-5.3-2.4-5.3-5.3h0V54.9h0l0,0c0-2.9,2.4-5.3,5.3-5.3l0,0l0,0h33.6l3.9-10.6h-37.5c-1.9,0-3.6,0.3-5.3,0.9c-4.5,1.6-8.1,5.2-9.7,9.7c-0.6,1.7-0.9,3.5-0.9,5.3l0,0v21.3c0,1.9,0.3,3.6,0.9,5.3c1.6,4.5,5.2,8.1,9.7,9.7c1.7,0.6,3.5,0.9,5.3,0.9h33.6l3.9-10.6H249.5z M176.8,38.9v10.6h49.6l3.9-10.6H176.8z M192.7,81.4L192.7,81.4L192.7,81.4c-2.9,0-5.3-2.4-5.3-5.3l0,0v-5.3h38.9l3.9-10.6h-53.4v10.6v5.3l0,0c0,1.9,0.3,3.6,0.9,5.3c1.6,4.5,5.2,8.1,9.7,9.7c1.7,0.6,3.4,0.9,5.3,0.9h23.4h10.2l3.9-10.6l0,0H192.7z M460.1,38.9v10.6h21.4v42.5h10.6V49.6h17.5l3.8-10.6H460.1z M541.6,68.2c-0.2,0.1-0.4,0.3-0.7,0.4C541.1,68.4,541.4,68.3,541.6,68.2L541.6,68.2z M554.3,60.2h-21.6v0l0,0c-2.9,0-5.3-2.4-5.3-5.3c0-2.9,2.4-5.3,5.3-5.3l0,0l0,0h33.6l3.8-10.6h-37.5l0,0c-6.9,0-12.8,4.4-15,10.6c-0.6,1.7-0.9,3.5-0.9,5.3c0,1.9,0.3,3.7,0.9,5.3c2.2,6.2,8.1,10.6,15,10.6h21.6l0,0c2.9,0,5.3,2.4,5.3,5.3c0,2.9-2.4,5.3-5.3,5.3l0,0h-37.5v10.6h37.5c6.9,0,12.8-4.4,15-10.6c0.6-1.7,0.9-3.5,0.9-5.3c0-1.9-0.3-3.7-0.9-5.3C567.2,64.6,561.3,60.2,554.3,60.2z",
              showAbove: false,
              offsetCenter: [0, "-35%"],
              size: 120,
              keepAspect: true,
              itemStyle: {
                color: "#707177",
              },
            },
            pointer: {
              icon: "path://M2.9,0.7L2.9,0.7c1.4,0,2.6,1.2,2.6,2.6v115c0,1.4-1.2,2.6-2.6,2.6l0,0c-1.4,0-2.6-1.2-2.6-2.6V3.3C0.3,1.9,1.4,0.7,2.9,0.7z",
              width: 12,
              length: "55%",
              offsetCenter: [0, "8%"],
              itemStyle: {
                color: "#C0911F",
                shadowColor: "rgba(0, 0, 0, 0.3)",
                shadowBlur: 8,
                shadowOffsetX: 2,
                shadowOffsetY: 4,
              },
            },
            detail: {
              show: false,
            },
            title: {
              offsetCenter: [0, "30%"],
            },
            data: [
              {
                value: 0,
              },
            ],
          },
          {
            name: "minute",
            type: "gauge",
            startAngle: 90,
            endAngle: -270,
            min: 0,
            max: 60,
            axisLine: {
              show: false,
            },
            splitLine: {
              show: false,
            },
            axisTick: {
              show: false,
            },
            axisLabel: {
              show: false,
            },
            pointer: {
              icon: "path://M2.9,0.7L2.9,0.7c1.4,0,2.6,1.2,2.6,2.6v115c0,1.4-1.2,2.6-2.6,2.6l0,0c-1.4,0-2.6-1.2-2.6-2.6V3.3C0.3,1.9,1.4,0.7,2.9,0.7z",
              width: 8,
              length: "70%",
              offsetCenter: [0, "8%"],
              itemStyle: {
                color: "#C0911F",
                shadowColor: "rgba(0, 0, 0, 0.3)",
                shadowBlur: 8,
                shadowOffsetX: 2,
                shadowOffsetY: 4,
              },
            },
            anchor: {
              show: true,
              size: 20,
              showAbove: false,
              itemStyle: {
                borderWidth: 15,
                borderColor: "#C0911F",
                shadowColor: "rgba(0, 0, 0, 0.3)",
                shadowBlur: 8,
                shadowOffsetX: 2,
                shadowOffsetY: 4,
              },
            },
            detail: {
              show: false,
            },
            title: {
              offsetCenter: ["0%", "-40%"],
            },
            data: [
              {
                value: 0,
              },
            ],
          },
          {
            name: "second",
            type: "gauge",
            startAngle: 90,
            endAngle: -270,
            min: 0,
            max: 60,
            animationEasingUpdate: "bounceOut",
            axisLine: {
              show: false,
            },
            splitLine: {
              show: false,
            },
            axisTick: {
              show: false,
            },
            axisLabel: {
              show: false,
            },
            pointer: {
              icon: "path://M2.9,0.7L2.9,0.7c1.4,0,2.6,1.2,2.6,2.6v115c0,1.4-1.2,2.6-2.6,2.6l0,0c-1.4,0-2.6-1.2-2.6-2.6V3.3C0.3,1.9,1.4,0.7,2.9,0.7z",
              width: 4,
              length: "85%",
              offsetCenter: [0, "8%"],
              itemStyle: {
                color: "#C0911F",
                shadowColor: "rgba(0, 0, 0, 0.3)",
                shadowBlur: 8,
                shadowOffsetX: 2,
                shadowOffsetY: 4,
              },
            },
            anchor: {
              show: true,
              size: 15,
              showAbove: true,
              itemStyle: {
                color: "#C0911F",
                shadowColor: "rgba(0, 0, 0, 0.3)",
                shadowBlur: 8,
                shadowOffsetX: 2,
                shadowOffsetY: 4,
              },
            },
            detail: {
              show: false,
            },
            title: {
              offsetCenter: ["0%", "-40%"],
            },
            data: [
              {
                value: 0,
              },
            ],
          },
        ],
      };

      var timeUpdatedStatus = {
        second: false,
        minute: false,
        hour: false,
      };

      function updateSeries(time, series, type) {
        var isCritical =
          Math.floor(time) === 0 || (type === "second" && time === 1);
        if (isCritical && timeUpdatedStatus[type] === true) {
          timeUpdatedStatus[type] = false;
          series.data[0].value = 0;
          series.clockwise = true;
          option.animationDurationUpdate = 0;
          myChart.setOption(option, true);
        }
        series.data[0].value = time;
        series.clockwise = true;
        if (time === 0) {
          timeUpdatedStatus[type] = true;
          series.clockwise = false;
        }
      }

      setInterval(function () {
        var date = new Date();
        var second = date.getSeconds();
        var minute = date.getMinutes() + second / 60;
        var hour = (date.getHours() % 12) + minute / 60;

        updateSeries(second, option.series[2], "second");
        updateSeries(minute, option.series[1], "minute");
        updateSeries(hour, option.series[0], "hour");

        option.animationDurationUpdate = 300;
        myChart.setOption(option, true);
        date = null;
      }, 1000);

      option && myChart.setOption(option);
    },
  },
};
</script>

<style>
</style>